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| Code Block | ||
|---|---|---|
| ||
public boolean sendPage(Socket socket, String pageName) { // No synchronization
Page targetPage = getPage(pageName);
if (targetPage == null)
return false;
return deliverPage(socket, targetPage);
}
private synchronized Page getPage(String pageName) { // Requires synchronization
Page targetPage = null;
for (Page p : pageBuff) {
if (p.getName().equals(pageName)) {
targetPage = p;
}
}
return targetPage;
}
// Return false if an error occurs, true if successful
public boolean deliverPage(Socket socket, Page page) {
ObjectOutputStream out = null;
boolean result = true;
try {
// Get the output stream to write the Page to
out = new ObjectOutputStream(socket.getOutputStream());
// Send the Page to the client
out.writeObject(page);
} catch (IOException io) {
result = false;
} finally {
if (out != null) {
try {
out.flush();
out.close();
} catch (IOException e) {
result = false;
}
}
}
return result;
}
|
Exceptions
LCK09-EX1EX0: Classes that provide an appropriate termination mechanism to callers are permitted to violate this rule. See rule THI06-J. Ensure that threads performing blocking operations can be terminated.
LCK09-EX2EX1: Method that require multiple locks may hold several locks while waiting for the remaining locks to become available. This constitutes a valid exception, although the programmer must follow other applicable rules to avoid deadlock. See rule LCK07-J. Avoid deadlock by requesting and releasing locks in the same order for more information.
...
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
LCK09-J | low | probable | high | P2 | L3 |
Related Vulnerabilities
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Related Guidelines
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="37bd8142605903a0-c4a417e4-4fd74191-9c4d92d5-146931fe052946d91d05a56d"><ac:plain-text-body><![CDATA[ | [[API 2006 | AA. Bibliography#API 06]] | Class | ]]></ac:plain-text-body></ac:structured-macro> | |
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="efd856bfc7553aa0-66900897-49ff4e03-b5c2b9af-73f60bb77834f1ee86dc5d14"><ac:plain-text-body><![CDATA[ | [[JLS 2005 | AA. Bibliography#JLS 05]] | [Chapter 17, Threads and Locks | http://java.sun.com/docs/books/jls/third_edition/html/memory.html] | ]]></ac:plain-text-body></ac:structured-macro> |
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